She presided over the ministry during a difficult period, during which revenue declined a considerable amount due to a variety of factors.
She had previously served as director general of the Department of Finance and Economy, to which position she had been named in 2005.
[3] Thevenoux remained in charge of the ministry until 2011,[4] when she was replaced by Marco Piccinini; Marie-Pierre Gramaglia entered the cabinet at the same time, becoming the second woman in Monaco's history to be appointed to such a position.
[5] In 2015 she was named Head of the Principality of Monaco's Mission to the European Union and the European Atomic Energy Community, presenting her credentials to Donald Tusk on May 7;[6] at the same time she became Monaco's ambassador to Belgium, Luxembourg and the Netherlands, as well as Permanent Representative to the Organisation for the Prohibition of Chemical Weapons.
[8] In 2016 she was named a Grand Officier of the Ordre National du Mérite in a ceremony in Brussels.